35/50 as a percentage.
What is 70%?
The symbols for empty set.
What is ∅ or { }?
The solution to the equation:
3/x = x/7
What is ±√21 ?
The three ways to write a ratio.
What is: "with a colon", "as a fraction" and "with the word 'to'" ?
(x + 2)2 expanded and simplified.
What is x2 + 4x + 4?
4 + 1/10 + 3/1000 in decimal form.
The number line for { x | -3 < x ≤ 4, x ∈ N}
< ---- • ---- • ---- • ---- • ---- • ---- > x
-∞ 0 1 2 3 4 ∞
The solution to the equation:
1/2(-3x + 1/6) = 0
What is 1/18?
The ratio 78:3 in simplest terms.
What is 26:1?
6x5y2 - 3x2y2 + 9x3y2 fully factored.
What is 3x2y2(2x3 - 1 + 3x)?
85% of 120cm in meters
What is 1.02 meters?
n(A')
if U = { x | x < 10, x ∈ N} and
A = {multiples of 2}
What is 6?
The smallest number when the sum of four consecutive even numbers is 36.
What is 6?
The number of pink marbles if:
the ratio of pink to green marbles is 3:1 and there are 28 in a pack.
What is 21?
The first 5 rows of Pascal's triangle.
What is
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1 ?
The score (out of 25) Elizabeth needs to get on her English test to improve her grade by 45% if she got 12/25 on the last test.
What is 17.4/25?
The set (A ⋃ B)' if
U = { t | -5 < x ≤ 12, x ∈ Z}, and
A = {-3, -2, 0, 1, 4, 5, 9, 10}
B = {-1, 2, 3, 4, 6, 9, 10, 11}.
What is {-4, 7, 8, 12}?
The radius of a circle given that its area is approximately 28.27 cm2
and A = πr2.
What is approximately 3 cm?
Steps to finding the unit rate of 54 slices in 9 pies.
What is
- write as a fraction
- divide both the numerator and denominator by 9
- write the rate with the units: 6 slices per pie
?
(1 - x)4
simplified and expanded.
What is x4 − 4x3 + 6x2 − 4x + 1 ?
(2.4 × 104) ÷ (4 × 102) + (2 × 100) as an ordinary decimal number.
What is 62?
The number of students studying both Spanish and French if:
- 5 are taking all three
- 9 have studied both Japanese and French
- 11 have studied both Japanese and Spanish
- 24 have studied both Spanish and French
- 52 have studied French
- 63 have studied Spanish
- 25 have studied Japanese
What is 24?
The number of 10-stotinki coins Naomi has in her pocket if:
She has 31 coins in her pocket, all of which are 10-stotinki or 20-stotinki coins and their total value is 4.50 leva.
What is 17?
The cheaper of the 2 options:
- Car A travels 308 miles on 11 gallons of gasoline
- Car B travels 406 miles on 14 gallons of gasoline
What is Car A?
(p2q - 25q + 3p2 - 75) fully factored.
What is (q - 3)(p - 5)(p + 5)?